Stability analysis of grid-connected converters with add-on voltage support functionality using repetitive control

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Abstract

The aim of this paper is to analyse the stability of grid-connected converters using repetitive control for voltage harmonic compensation. Supplementary to an earlier proposed control strategy to upgrade grid-connected converters for add-on voltage support, the stability analysis of the overall system is presented. A straightforward procedure is proposed and a couple of stability conditions are derived. The analysis is broken down into two sub-parts and therefore, the Nyquist's criterion can be easily applied. Simulations and experiments support the stability model analysis. The proposed method is not limited to the application with voltage support but also applicable for other converter systems based on repetitive-control algorithms.

Original languageEnglish
Title of host publication2018 International Power Electronics Conference, IPEC-Niigata - ECCE Asia 2018
Place of PublicationPiscataway
PublisherInstitute of Electrical and Electronics Engineers
Pages946-952
Number of pages7
ISBN (Electronic)9784886864055
DOIs
Publication statusPublished - 22 Oct 2018
Event8th International Power Electronics Conference, IPEC- ECCE Asia 2018 - Toki Messe Niigata Convention Center, Niigata, Japan
Duration: 20 May 201824 May 2018
Conference number: 8
http://www.ipec2018.org

Conference

Conference8th International Power Electronics Conference, IPEC- ECCE Asia 2018
Abbreviated titleIPEC 2018 ECCE Asia
Country/TerritoryJapan
CityNiigata
Period20/05/1824/05/18
Internet address

Keywords

  • grid-connected converter
  • repetitive-control
  • stability
  • voltage support

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